Polonnaruwa in december: average Weather, Temperature and Climate
Weather in Polonnaruwa in december 2026
The weather in Polonnaruwa in december comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
good weather UV index: 6
Weather at 6am
77°F
Partly Cloudy
39% of time
22%
20%
13%
Weather at 12pm
85°F
Moderate rain at times
49% of time
21%
19%
11%
Weather at 6pm
74°F
Moderate rain at times
32% of time
25%
22%
12%
Weather at 3am
72°F
52%
15%
12%
11%
Evolution of daily average temperature and precipitation in Polonnaruwa in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Polonnaruwa in december.
The climate of Polonnaruwa in december is good
The climate in december in Polonnaruwa is wet (with 9.5in of rainfall over 12 days). The weather is better from the previous month since in november it receives an average of 12.2in of rainfall over 16 days.
The climate comfortable in this location the month of december. The thermometer averaged maximum of 85°F. On average, the recorded minimum temperature is 77°F. Thus, the mean temperature average on this month of december in Polonnaruwa is 81°F. Note that these seasonal averages are in contrast with those observed in Polonnaruwa in december with a maximum record of 94°F in 2016 and a minimum record of 67°F in 2021. You can expect to have about 13 days with temperatures above 86°F, or 42 of the month.
In december in Polonnaruwa, the days on average last 11:40. The sun rises at 06:11 and sets at 17:51.
With proper weather, december is okay (but not the best) to go there.
Seasonal average climate and temperature of Polonnaruwa in december
Check below seasonal norms These datas are generated from the weather statements of the last years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 94°F (2016) | ||||
| Lowest record temperature | 67°F (2021) | ||||
| Number of days at +86°F | 13 day(s) (42%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.5in | ||||
| Number of days with rainfall | 12 day(s) (37%) | ||||
| Record daily rainfall | 7.7in (2020) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 7.7km | ||||
| Cloud cover | 53% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 17:51 | ||||
| Length of day | 11:40 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last december?
Here is the day by day recorded weather in Polonnaruwa in december 2025:
70°F to 85°F
70°F to 86°F
72°F to 88°F
72°F to 86°F
72°F to 85°F
70°F to 85°F
72°F to 85°F
72°F to 85°F
72°F to 74°F
72°F to 79°F
72°F to 79°F
72°F to 77°F
70°F to 77°F
72°F to 81°F
70°F to 85°F
72°F to 81°F
72°F to 83°F
72°F to 79°F
72°F to 83°F
68°F to 79°F
68°F to 81°F
72°F to 77°F
68°F to 81°F
70°F to 83°F
67°F to 83°F
67°F to 85°F
70°F to 79°F
68°F to 83°F
72°F to 81°F
72°F to 79°F
74°F to 79°F
Map: other cities in Sri Lanka in december
Cities near Polonnaruwa:
| Maduru Oya National Park in december | very bad weather |
| Dambulla in december | good weather |
| Vakarai in december | very bad weather |
| Kalkudah in december | very bad weather |
| Matale in december | good weather |
| Trincomalee in december | good weather |
| Batticaloa in december | very bad weather |
| Uppuveli in december | good weather |
| Navalady in december | very bad weather |
| Anuradhapura in december | good weather |
| Kallady Beach in december | very bad weather |
| Kandy in december | tolerable weather |
Click over cities on the map for information about the weather in december.
Polonnaruwa
perfect weather
good
tolerable
bad
very bad
Weather data for Polonnaruwa in december:
Weather data for Polonnaruwa for december are derived from an average of the weather forecast since 2009 in Polonnaruwa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Polonnaruwa can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Polonnaruwa.